ProductGalleryLargeImageNextPrevious.php
<?php
namespace Automattic\WooCommerce\Blocks\BlockTypes;
use Automattic\WooCommerce\Blocks\Utils\StyleAttributesUtils;
/**
* ProductGalleryLargeImage class.
*/
class ProductGalleryLargeImageNextPrevious extends AbstractBlock {
/**
* Block name.
*
* @var string
*/
protected $block_name = 'product-gallery-large-image-next-previous';
/**
* It isn't necessary register block assets because it is a server side block.
*/
protected function register_block_type_assets() {
return null;
}
/**
* Get the frontend style handle for this block type.
*
* @return null
*/
protected function get_block_type_style() {
return null;
}
/**
* Register the context
*
* @return string[]
*/
protected function get_block_type_uses_context() {
return [ 'nextPreviousButtonsPosition', 'productGalleryClientId' ];
}
/**
* Return class suffix
*
* @param array $context Block context.
* @return string
*/
private function get_class_suffix( $context ) {
switch ( $context['nextPreviousButtonsPosition'] ) {
case 'insideTheImage':
return 'inside-image';
case 'outsideTheImage':
return 'outside-image';
case 'off':
return 'off';
default:
return 'off';
}
}
/**
* Include and render the block.
*
* @param array $attributes Block attributes. Default empty array.
* @param string $content Block content. Default empty string.
* @param WP_Block $block Block instance.
* @return string Rendered block type output.
*/
protected function render( $attributes, $content, $block ) {
$post_id = $block->context['postId'];
if ( ! isset( $post_id ) ) {
return '';
}
$product = wc_get_product( $post_id );
$product_gallery = $product->get_gallery_image_ids();
if ( empty( $product_gallery ) ) {
return null;
}
$context = $block->context;
$prev_button = $this->get_button( 'previous', $context );
$p = new \WP_HTML_Tag_Processor( $prev_button );
if ( $p->next_tag() ) {
$p->set_attribute(
'data-wc-on--click',
'actions.selectPreviousImage'
);
$p->set_attribute(
'aria-label',
__( 'Previous image', 'woocommerce' )
);
$prev_button = $p->get_updated_html();
}
$next_button = $this->get_button( 'next', $context );
$p = new \WP_HTML_Tag_Processor( $next_button );
if ( $p->next_tag() ) {
$p->set_attribute(
'data-wc-on--click',
'actions.selectNextImage'
);
$p->set_attribute(
'aria-label',
__( 'Next image', 'woocommerce' )
);
$next_button = $p->get_updated_html();
}
$alignment_class = isset( $attributes['layout']['verticalAlignment'] ) ? 'is-vertically-aligned-' . $attributes['layout']['verticalAlignment'] : '';
$position_class = 'wc-block-product-gallery-large-image-next-previous--' . $this->get_class_suffix( $context );
return strtr(
'<div
class="wc-block-product-gallery-large-image-next-previous wp-block-woocommerce-product-gallery-large-image-next-previous {alignment_class}"
data-wc-interactive=\'{data_wc_interactive}\'
>
<div class="wc-block-product-gallery-large-image-next-previous-container {position_class}">
{prev_button}
{next_button}
</div>
</div>',
array(
'{prev_button}' => $prev_button,
'{next_button}' => $next_button,
'{alignment_class}' => $alignment_class,
'{position_class}' => $position_class,
'{data_wc_interactive}' => wp_json_encode( array( 'namespace' => 'woocommerce/product-gallery' ), JSON_NUMERIC_CHECK ),
)
);
}
/**
* Generates the HTML for a next or previous button for the product gallery large image.
*
* @param string $button_type The type of button to generate. Either 'previous' or 'next'.
* @param string $context The block context.
* @return string The HTML for the generated button.
*/
protected function get_button( $button_type, $context ) {
if ( 'insideTheImage' === $context['nextPreviousButtonsPosition'] ) {
return $this->get_inside_button( $button_type, $context );
}
return $this->get_outside_button( $button_type, $context );
}
/**
* Returns an HTML button element with an SVG icon for the previous or next button when the buttons are inside the image.
*
* @param string $button_type The type of button to return. Either "previous" or "next".
* @param string $context The context in which the button is being used.
* @return string The HTML for the button element.
*/
protected function get_inside_button( $button_type, $context ) {
$previous_button_icon_path = 'M28.1 12L30.5 14L21.3 24L30.5 34L28.1 36L17.3 24L28.1 12Z';
$next_button_icon_path = 'M21.7001 12L19.3 14L28.5 24L19.3 34L21.7001 36L32.5 24L21.7001 12Z';
$icon_path = $previous_button_icon_path;
$button_side_class = 'left';
if ( 'next' === $button_type ) {
$icon_path = $next_button_icon_path;
$button_side_class = 'right';
}
return sprintf(
'<button class="wc-block-product-gallery-large-image-next-previous--button wc-block-product-gallery-large-image-next-previous-%1$s--%2$s">
<svg xmlns="http://www.w3.org/2000/svg" width="49" height="48" viewBox="0 0 49 48" fill="none">
<g filter="url(#filter0_b_397_11354)">
<rect x="0.5" width="48" height="48" rx="5" fill="black" fill-opacity="0.5"/>
<path d="%3$s" fill="white"/>
</g>
<defs>
<filter id="filter0_b_397_11354" x="-9.5" y="-10" width="68" height="68" filterUnits="userSpaceOnUse" color-interpolation-filters="sRGB">
<feFlood flood-opacity="0" result="BackgroundImageFix"/>
<feGaussianBlur in="BackgroundImageFix" stdDeviation="5"/>
<feComposite in2="SourceAlpha" operator="in" result="effect1_backgroundBlur_397_11354"/>
<feBlend mode="normal" in="SourceGraphic" in2="effect1_backgroundBlur_397_11354" result="shape"/>
</filter>
</defs>
</svg>
</button>',
$button_side_class,
$this->get_class_suffix( $context ),
$icon_path
);
}
/**
* Returns an HTML button element with an SVG icon for the previous or next button when the buttons are outside the image.
*
* @param string $button_type The type of button to return. Either "previous" or "next".
* @param string $context The context in which the button is being used.
* @return string The HTML for the button element.
*/
protected function get_outside_button( $button_type, $context ) {
$next_button_icon_path = 'M1 1.28516L8 8.28516L1 15.2852';
$previous_button_icon_path = 'M9 1.28516L2 8.28516L9 15.2852';
$icon_path = $previous_button_icon_path;
$button_side_class = 'left';
if ( 'next' === $button_type ) {
$icon_path = $next_button_icon_path;
$button_side_class = 'right';
}
return sprintf(
'<button class="wc-block-product-gallery-large-image-next-previous--button wc-block-product-gallery-large-image-next-previous-%1$s--%2$s">
<svg
width="10"
height="16"
viewBox="0 0 10 16"
fill="none"
xmlns="http://www.w3.org/2000/svg"
>
<path
d="%3$s"
stroke="black"
stroke-width="1.5"
/>
</svg>
</button>',
$button_side_class,
$this->get_class_suffix( $context ),
$icon_path
);
}
}
